Write an expression for three times the difference of the number and six increased by four times the number

4+(2+x) can you me solve this problem

The radius of a sphere is 3 inches. which represents the volume of the sphere?

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°